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Discussion in 'Straight 6 Development And Modification' started by 202lx, Dec 21, 2008.
I got an auto VL wagon with just a standard 6 in it. What can i do to make it use less fuel?
pump up your tyres and take all the useless crap out of it. don't hoon. thats about all i can think of
I was thinking of more what engine mods i could do. I have bashed out cats and highflow muffler. I think a pod filter would help a little bit. If i advanced the timing a little bit would that make much difference?
turbo it, usually makes it use less fuel....
buy a scooter
Extractors will help a little with fuel economy. Make sure your oxygen sensor is working properly because it will drink fuel if the oxy sensor doesn't work. Make sure your temp sensor is working properly and your thermostat closes off when the engine is cold so the engine warms up quickly. Give it a tune up so it is running nice and smoothe and change the fuel filter.
leave it in the shed!
get gas put on it lol
thanks for the real reply tree cutter. How do i check if my oxy sensor to see if its working properly?
Also, i have heard from my mate who is a qualified mechanic that by putting a hotter thermostat in the engine (thermostat that opens up later) it will use less fuel by tricking the computer into thinking that its running lean or something. Is that right?
Don't bother with the thermostat crap, if you want it running lean get it tuned lean. That's what I did in my VN and it uses a fair bit less fuel now.
Also, honestly, bashed out catalytic converter? Why? There is no reason for this, you're just spewing all sorts of toxic **** out your exhaust pipe.
Not worth the hassle with the thermo.
Keep it serviced as well. Good clean plugs, good oil, clean filters etc will help.
Even running premium will help.
And agreed with the above. Replace your cat, if it's just an n/a put a standard cat on there, wouldn't even worry about the hiflow.
why isnt it worth the hassle with the thermostat? it will make it use less fuel right? after all, its only two bolts...
also, how do i check my oxy sensor?
check your manual, it should say in there
-do a service 1st...
-replace your cat because its not doing anything besides spitting out fumes that should be filtered (will stop your car sounding tinny aswell)
and exactly how many km's are you getting to a tank? so people can tell you if thats normal or crap
i dont know what the km are exactly but i think it would around 250 - 300km from a wagon tank (62 liters i think)
lol that's crap
definitely get checking those sensors... look it up, there's a few how-tos for VL sensors around here and the SC forum.
i was getting avg 600km a tank in my berlina, and a few times over 600
it was manual, i drive like a granny
full exhaust, high flow cat, extractor etc
CAI under the guard, k&n panel filter, custom intake piping
every sensor was new, temp sensor, o2 sensor, CAS always made sure no errors on comp
timing was on mark, not advanced, 95 ron fuel
new leads, plugs and service every 5000km
thats bassically how i had my econemy so good, but i was changing gears at 1200rpm lol this is my normal driving style but when didnt cause any labouring on the motor
on flat cruisng at 50km/h in 5th:yeah:
i was getting 450-600km from a tank.. this was country driving but still driving it fairly hard
5 speed manual
extractors, straight into single muffler
19degrees advanced timing
CAI (under guard to bumper)
you CAN adjust fuel/air mixture yourself, remove the kick panel to reveal the computer and start the engine... the led's should flash together.. if not on the AFM theres a small round cap near the plug, pry it out and turn the screw inside say 1/8turn at a time until the leds flash together...
or you set it to factory
multi meter, prod in plug cable 6 and 1
engine off and read ohms, adjust it till it reads 362ohm (think thats factory)
either way its all in the workshop manual
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